Requirements of a nulling space interferometer for the search for extrasolar planets
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| Title: | Requirements of a nulling space interferometer for the search for extrasolar planets |
|---|---|
| Authors: | Kaltenegger, L.1,2 lisa.kaltenegger@esa.int, Karlsson, A.2, Neger, T.1 |
| Source: | Advances in Space Research. Aug2004, Vol. 34 Issue 3, p618-624. 7p. |
| Subjects: | Extrasolar planets, Thin films, Photonics, Atmosphere |
| Abstract: | The direct detection of a planet close to its parent star is challenging because the signal detected from the parent star is between 109 and 106 times brighter than the signal of a planet in the visual and IR, respectively. Future space based missions like DARWIN and TPF concentrate on the wavelength range between 6 and 18 μm, a region that contain the CO2, H2O, O3 spectral features of the atmosphere. The presence or absence of these spectral features would indicate similarities or differences with the atmosphere of terrestrial planets. The concepts for space nulling interferometers and the influence of different schemes of beam combination on the detected signal are investigated. Based on the background contribution to the detected signal, the wavelength range where the detection sensitivity should be maximised is identified. The use of integrated optics to combine the spectral channels is discussed. The resulting transmission maps are evaluated on base of the symmetry, rejection values, null depth and applications for extra-solar planet search. [Copyright &y& Elsevier] |
| Copyright of Advances in Space Research is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 13687945 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Requirements of a nulling space interferometer for the search for extrasolar planets – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Kaltenegger%2C+L%2E%22">Kaltenegger, L.</searchLink><relatesTo>1,2</relatesTo><i> lisa.kaltenegger@esa.int</i><br /><searchLink fieldCode="AR" term="%22Karlsson%2C+A%2E%22">Karlsson, A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Neger%2C+T%2E%22">Neger, T.</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Advances+in+Space+Research%22">Advances in Space Research</searchLink>. Aug2004, Vol. 34 Issue 3, p618-624. 7p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Extrasolar+planets%22">Extrasolar planets</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+films%22">Thin films</searchLink><br /><searchLink fieldCode="DE" term="%22Photonics%22">Photonics</searchLink><br /><searchLink fieldCode="DE" term="%22Atmosphere%22">Atmosphere</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The direct detection of a planet close to its parent star is challenging because the signal detected from the parent star is between 109 and 106 times brighter than the signal of a planet in the visual and IR, respectively. Future space based missions like DARWIN and TPF concentrate on the wavelength range between 6 and 18 μm, a region that contain the CO2, H2O, O3 spectral features of the atmosphere. The presence or absence of these spectral features would indicate similarities or differences with the atmosphere of terrestrial planets. The concepts for space nulling interferometers and the influence of different schemes of beam combination on the detected signal are investigated. Based on the background contribution to the detected signal, the wavelength range where the detection sensitivity should be maximised is identified. The use of integrated optics to combine the spectral channels is discussed. The resulting transmission maps are evaluated on base of the symmetry, rejection values, null depth and applications for extra-solar planet search. [Copyright &y& Elsevier] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Advances in Space Research is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.asr.2003.05.030 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 7 StartPage: 618 Subjects: – SubjectFull: Extrasolar planets Type: general – SubjectFull: Thin films Type: general – SubjectFull: Photonics Type: general – SubjectFull: Atmosphere Type: general Titles: – TitleFull: Requirements of a nulling space interferometer for the search for extrasolar planets Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Kaltenegger, L. – PersonEntity: Name: NameFull: Karlsson, A. – PersonEntity: Name: NameFull: Neger, T. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 08 Text: Aug2004 Type: published Y: 2004 Identifiers: – Type: issn-print Value: 02731177 Numbering: – Type: volume Value: 34 – Type: issue Value: 3 Titles: – TitleFull: Advances in Space Research Type: main |
| ResultId | 1 |
